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...c_softc_t * const sc); -static void lmc_driver_timeout(struct net_device *dev); +static void lmc_driver_timeout(struct net_device *dev, int txqueue); /* * linux reserves 16 device specific IOCTLs. We call them @@ -2044,7 +2044,7 @@ static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00 lmc_trace(sc->lmc_device, "lmc_initcsrs out"); } -static void lmc_driver_timeout(struct net_device *dev) +static void lmc_driver_timeout(struct net_device *dev, int txqueue) { lmc_softc_t *sc = dev_to_sc(dev); u32 csr6; diff --git a/drivers/net/wan/x25_asy....

...-static void lmc_driver_timeout(struct net_device *dev); > +static void lmc_driver_timeout(struct net_device *dev, int txqueue); > > /* > * linux reserves 16 device specific IOCTLs. We call them > @@ -2044,7 +2044,7 @@ static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00 > lmc_trace(sc->lmc_device, "lmc_initcsrs out"); > } > > -static void lmc_driver_timeout(struct net_device *dev) > +static void lmc_driver_timeout(struct net_device *dev, int txqueue) > { > lmc_softc_t *sc = dev_to_sc(dev); > u32 csr6;...

Hi Michael, Em sex., 22 de nov. de 2019 ?s 07:31, Michael S. Tsirkin <mst at redhat.com> escreveu: > > On Thu, Nov 21, 2019 at 10:36:36PM -0300, Julio Faracco wrote: > > Driver virtio_net is not handling error events for TX provided by > > dev_watchdog. This event is reached when transmission queue is having > > problems to transmit packets. This could happen for any

Hi Michael, Em sex., 22 de nov. de 2019 ?s 07:31, Michael S. Tsirkin <mst at redhat.com> escreveu: > > On Thu, Nov 21, 2019 at 10:36:36PM -0300, Julio Faracco wrote: > > Driver virtio_net is not handling error events for TX provided by > > dev_watchdog. This event is reached when transmission queue is having > > problems to transmit packets. This could happen for any

...c_softc_t * const sc); -static void lmc_driver_timeout(struct net_device *dev); +static void lmc_driver_timeout(struct net_device *dev, int txqueue); /* * linux reserves 16 device specific IOCTLs. We call them @@ -2044,7 +2044,7 @@ static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00 lmc_trace(sc->lmc_device, "lmc_initcsrs out"); } -static void lmc_driver_timeout(struct net_device *dev) +static void lmc_driver_timeout(struct net_device *dev, int txqueue) { lmc_softc_t *sc = dev_to_sc(dev); u32 csr6; diff --git a/drivers/net/wan/x25_asy....

...c_softc_t * const sc); -static void lmc_driver_timeout(struct net_device *dev); +static void lmc_driver_timeout(struct net_device *dev, int txqueue); /* * linux reserves 16 device specific IOCTLs. We call them @@ -2044,7 +2044,7 @@ static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00 lmc_trace(sc->lmc_device, "lmc_initcsrs out"); } -static void lmc_driver_timeout(struct net_device *dev) +static void lmc_driver_timeout(struct net_device *dev, int txqueue) { lmc_softc_t *sc = dev_to_sc(dev); u32 csr6; diff --git a/drivers/net/wan/x25_asy....

...c_softc_t * const sc); -static void lmc_driver_timeout(struct net_device *dev); +static void lmc_driver_timeout(struct net_device *dev, int txqueue); /* * linux reserves 16 device specific IOCTLs. We call them @@ -2044,7 +2044,7 @@ static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00 lmc_trace(sc->lmc_device, "lmc_initcsrs out"); } -static void lmc_driver_timeout(struct net_device *dev) +static void lmc_driver_timeout(struct net_device *dev, int txqueue) { lmc_softc_t *sc = dev_to_sc(dev); u32 csr6; diff --git a/drivers/net/wan/x25_asy....

...* const sc); -static void lmc_driver_timeout(struct net_device *dev); +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue); /* * linux reserves 16 device specific IOCTLs. We call them @@ -2044,7 +2044,7 @@ static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00 lmc_trace(sc->lmc_device, "lmc_initcsrs out"); } -static void lmc_driver_timeout(struct net_device *dev) +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue) { lmc_softc_t *sc = dev_to_sc(dev); u32 csr6; diff --git a/drivers/net/wan...

On Sun, 24 Nov 2019 18:29:49 -0500, Michael S. Tsirkin wrote: > netdev: pass the stuck queue to the timeout handler > > This allows incrementing the correct timeout statistic without any mess. > Down the road, devices can learn to reset just the specific queue. FWIW Acked-by: Jakub Kicinski <jakub.kicinski at netronome.com>

...ruct net_device *dev); > > +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue); > > > > /* > > * linux reserves 16 device specific IOCTLs. We call them > > @@ -2044,7 +2044,7 @@ static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00 > > lmc_trace(sc->lmc_device, "lmc_initcsrs out"); > > } > > > > -static void lmc_driver_timeout(struct net_device *dev) > > +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue) > > { > > lmc_softc...

...* const sc); -static void lmc_driver_timeout(struct net_device *dev); +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue); /* * linux reserves 16 device specific IOCTLs. We call them @@ -2044,7 +2044,7 @@ static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00 lmc_trace(sc->lmc_device, "lmc_initcsrs out"); } -static void lmc_driver_timeout(struct net_device *dev) +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue) { lmc_softc_t *sc = dev_to_sc(dev); u32 csr6; diff --git a/drivers/net/wan...

...* const sc); -static void lmc_driver_timeout(struct net_device *dev); +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue); /* * linux reserves 16 device specific IOCTLs. We call them @@ -2044,7 +2044,7 @@ static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00 lmc_trace(sc->lmc_device, "lmc_initcsrs out"); } -static void lmc_driver_timeout(struct net_device *dev) +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue) { lmc_softc_t *sc = dev_to_sc(dev); u32 csr6; diff --git a/drivers/net/wan...

...* const sc); -static void lmc_driver_timeout(struct net_device *dev); +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue); /* * linux reserves 16 device specific IOCTLs. We call them @@ -2044,7 +2044,7 @@ static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00 lmc_trace(sc->lmc_device, "lmc_initcsrs out"); } -static void lmc_driver_timeout(struct net_device *dev) +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue) { lmc_softc_t *sc = dev_to_sc(dev); u32 csr6; diff --git a/drivers/net/wan...

...* const sc); -static void lmc_driver_timeout(struct net_device *dev); +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue); /* * linux reserves 16 device specific IOCTLs. We call them @@ -2044,7 +2044,7 @@ static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00 lmc_trace(sc->lmc_device, "lmc_initcsrs out"); } -static void lmc_driver_timeout(struct net_device *dev) +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue) { lmc_softc_t *sc = dev_to_sc(dev); u32 csr6; diff --git a/drivers/net/wan...

...* const sc); -static void lmc_driver_timeout(struct net_device *dev); +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue); /* * linux reserves 16 device specific IOCTLs. We call them @@ -2044,7 +2044,7 @@ static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00 lmc_trace(sc->lmc_device, "lmc_initcsrs out"); } -static void lmc_driver_timeout(struct net_device *dev) +static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue) { lmc_softc_t *sc = dev_to_sc(dev); u32 csr6; diff --git a/drivers/net/wan...

This series add two important features. One of them changes the .ndo_tx_timeout to include an extra parameter to identify the stuck queue. Many drivers are using a nester loop to identify which queue is stooped/stucked. This is a redundant work since dev_watchdog is doing exactly the same thing. This is so interesting for other drivers to in terms of code optimization. The second part (second

This series add two important features. One of them changes the .ndo_tx_timeout to include an extra parameter to identify the stuck queue. Many drivers are using a nester loop to identify which queue is stooped/stucked. This is a redundant work since dev_watchdog is doing exactly the same thing. This is so interesting for other drivers to in terms of code optimization. The second part (second

A bunch of drivers want to know which tx queue triggered a timeout, and virtio wants to do the same. We actually have the info to hand, let's just pass it on to drivers. Note: tested with an experimental virtio patch by Julio. That patch itself isn't ready yet though, so not included. Other drivers compiled only. Michael S. Tsirkin (3): netdev: pass the stuck queue to the timeout

Sorry about the churn, v10 was based on net - not on net-next by mistake. A bunch of drivers want to know which tx queue triggered a timeout, and virtio wants to do the same. We actually have the info to hand, let's just pass it on to drivers. Note: tested with an experimental virtio patch by Julio. That patch itself isn't ready yet though, so not included. Other drivers compiled only.

Sorry about the churn, v10 was based on net - not on net-next by mistake. A bunch of drivers want to know which tx queue triggered a timeout, and virtio wants to do the same. We actually have the info to hand, let's just pass it on to drivers. Note: tested with an experimental virtio patch by Julio. That patch itself isn't ready yet though, so not included. Other drivers compiled only.